https://github.com/vim-jp/issues/issues/566

fix-netrw-url-with-user.patch

# HG changeset patch
# Parent 7723e7290ac81885c1f59d9dfdb1538469732ba0
diff --git a/runtime/autoload/netrw.vim b/runtime/autoload/netrw.vim
--- a/runtime/autoload/netrw.vim
+++ b/runtime/autoload/netrw.vim
@@ -3502,7 +3502,7 @@
    setl ma noro
 "   call Decho("setl ma noro")
    let b:netrw_curdir = dirname
-   let url            = s:method."://".s:user.s:machine.(s:port ? ":".s:port : "")."/".s:path
+   let url            = s:method."://".(s:user != "" ? s:user."@" : "").s:machine.(s:port ? ":".s:port : "")."/".s:path
 "   call Decho("exe sil! keepalt file ".fnameescape(url)." (bt=".&bt.")")
    exe "sil! keepj keepalt file ".fnameescape(url)
    exe "sil! keepj keepalt doau BufReadPre ".fnameescape(s:fname)
@@ -5714,7 +5714,7 @@
    endif
 
    let mapsafepath     = escape(s:path, s:netrw_map_escape)
-   let mapsafeusermach = escape(s:user.s:machine, s:netrw_map_escape)
+   let mapsafeusermach = escape((s:user != "" ? s:user."@" : "").s:machine, s:netrw_map_escape)
 
    nnoremap <buffer> <silent> <Plug>NetrwRefresh	:call <SID>NetrwRefresh(0,<SID>NetrwBrowseChgDir(0,'./'))<cr>
    if g:netrw_mousemaps == 1